KR20130045329A - Elevator door assembly - Google Patents

Abstract

Provided is an elevator door apparatus capable of avoiding problems with running resistance of a door without widening a gap between a threshold and a lifting car. The door apparatus 1 of an elevator is provided slidably, The at least 1 door panel 3a, 3b which opens and closes the hatch 7 to a cage | basket | car compartment, and is provided below this door panel, and slides of this door panel. It includes a threshold (5) extending in the direction. Guide grooves 29 extending in the sliding direction are formed on the lower surface of the door panel. At least one guide member 27 protrudes upward in the upper surface of the threshold. The guide member is inserted into the corresponding guide groove, and when the door panel slides, the guide member relatively moves along the corresponding guide groove.

Description

Elevator door device {ELEVATOR DOOR ASSEMBLY}

The present invention relates to an elevator door apparatus.

The door panel of an elevator door is suspended from the rail arrange | positioned above it. A leg is provided at the bottom of the door panel, and the leg is inserted into a groove on the upper surface of the threshold disposed below the door panel. In this way, the door panel is supported above and below and guided in the opening and closing direction.

However, since the area opened and closed by the door panel is a path for passengers, if there is a groove on the upper surface of the threshold, not only fine garbage such as dirt and dust enters the groove, but also a relatively large garbage such as a small stone is grooved. May be filled in. This may cause opening / closing drive loss due to running resistance due to contact between the leg portion and the groove when the door panel is opened and closed, and one factor that brings about aging change of each part. do. In addition, when a large amount of rubbish on the groove is stepped on by the passenger, the rubbish may be stuck in the groove.

By the way, about this problem, there exist some described in the following documents, for example. First, in Patent Document 1, a gap is provided between the elevator car and the threshold of the platform, and the leg of the door is returned to the lower side of the threshold through the gap, and the guide groove and the upper leg formed on the lower surface of the threshold An interlocking configuration is disclosed.

In addition, Patent Document 2 discloses a structure in which an engaging body is provided in the guide groove on the upper surface of the threshold so as to be movable, and when the door panel moves in the opening and closing direction, the lower end of the door panel moves while holding the engaging body upward. It is. In such a configuration, the lower end of the door panel is supported by the engaging body, and during the opening and closing operation, the part of the groove in the range in which the door panel is not at the upper part is blocked by the engaging body, whereby foreign matters are mixed into the groove. It is being prevented.

In addition, Patent Document 3 provides a through gap that falls from the upper surface to the lower surface in the threshold, and extends the leg portion of the door to the lower portion of the threshold through the gap and engages the guide portion and the leg formed on the lower surface of the threshold. Is disclosed.

However, in the configuration disclosed in Patent Document 1 described above, since the leg portion of the door needs to exit the gap between the car and the threshold, a new large space between the elevator car and the threshold must be secured. Cause problems. Further, in the configuration disclosed in Patent Document 2, since the door panel moves while holding up the engagement body, there is a problem that the running resistance eventually increases even without causing the situation in which the guide groove is filled with garbage or the like. In addition, in a portion where the upper surface height of the engaging body is not aligned with the upper surface height of the threshold, it may cause the foot of the passenger to trip over. Moreover, in the structure disclosed by patent document 3, there exists a possibility that a waste etc. may fill in the clearance gap of a threshold, and the fundamental solution of the problem which the above-mentioned foreign material is filled cannot be expected.

Patent Document 1: Japanese Patent Application Laid-Open No. 60-80672 Patent Document 2: Japanese Patent Application Laid-Open No. 2009-242039 Patent Document 3: Japanese Patent Application Laid-Open No. 10-203764

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an elevator door apparatus that can avoid problems related to running resistance of the door without widening the gap between the threshold and the elevating car.

In order to achieve the object described above, the door apparatus of the elevator of the present invention is provided slidably, at least one door panel for opening and closing the hatch to the car compartment, and disposed below the door panel And a threshold extending in the sliding direction of the door panel, the lower surface of the door panel having a guide groove extending in the sliding direction, and at least one guide member protruding upward in the upper surface of the threshold. The guide member is inserted into the corresponding guide groove, and the guide member moves relative to the corresponding guide groove when the door panel slides.

According to the door apparatus of the elevator of this invention, the problem regarding the running resistance of a door can be avoided, without widening the clearance gap between a threshold and a lifting car.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the front and side surface of the door apparatus of the elevator by embodiment of this invention.
FIG. 2 is a view showing a fully closed state and an expanded state of a door panel. FIG.
3 is a view for explaining the balance of the main force acting on one door panel.
4 is an enlarged view of the vicinity of the guide member.
5 is a view for explaining the configuration and operation of the panel support apparatus.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of the door apparatus of the elevator which concerns on this invention is described based on an accompanying drawing. In addition, in the figure, the same code | symbol shall represent the same or corresponding part.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the front and side surface of the door apparatus of the elevator by embodiment of this invention. FIG. 2 is a view showing a fully closed state and an expanded state of a door panel. FIG. The door apparatus 1 of an elevator is provided with the at least 1 (pair of right and left in this embodiment) door panels 3a and 3b and the threshold 5. The pair of left and right door panels 3a and 3b are slidably provided to open and close the door 7 to the car compartment. The threshold 5 is provided below the door panels 3a and 3b and extends in the slide direction of the door panels 3a and 3b.

The hanger 9 is provided in the upper end of each of the door panels 3a and 3b. The beam 11 arrange | positioned in the longitudinal direction (horizontal direction) is provided in the upper edge part of the hatch 7. The rail 13 is arrange | positioned at the beam 11 in the longitudinal direction (horizontal direction). Each hanger 9 is provided with a plurality of hanger rollers 15. As these hanger rollers 15 move along the rail 13, horizontal movement of the hanger 9, that is, opening and closing movement of the door panels 3a and 3b is guided.

In addition, a plurality of upthrust rollers 17 are provided in each of the hangers 9. The several up-thrust rollers 17 prevent the hanger roller 15 from deviating from the corresponding rail 13. In the beam 11, a pair of pulleys 19a and 19b are rotatably provided. The pair of pulleys 19a and 19b are provided apart from each other, and a wound member 21 such as an endless belt or the like is wound around the pulleys 19 and 19b and is provided in a state where tension is applied thereto. .

The circumferential member 21 is provided with a pair of coupling tools 23a, 23b, and a tool. The upper end of one of the connector 23a is connected to the portion traveling upward of the circumferential member 21, and the lower end is connected to one door panel 3a. The other connector 23b is connected to the portion traveling down the circumferential member 21, and the lower end is connected to the other door panel 3b.

When the circumferential member 21 is driven by the motor 25, the pair of connectors 23a, 23b move in opposite directions, whereby the pair of left and right door panels 3a, 3b also face each other in opposite directions. Move, i.e., the opening and closing operation with respect to the hatch 7 is performed.

The door panels 3a and 3b are not only guided by the rails 13 on these upper sides, but also by the thresholds 5 on these lower sides. On the upper surface of the threshold 5, at least one guide member 27 (at least the same number as the door panel and in the present embodiment) is provided so as to protrude upward.

On the other hand, guide grooves 29 for receiving these guide members 27 are formed below the door panels 3a and 3b. Regarding this, first, the door panels 3a and 3b have guide groove extending members 33a and 33b on the rear end surfaces 31a and 31b in the closing operation direction of the door panel, respectively. The guide groove extending members 33a and 33b protrude from the rear end surfaces 31a and 31b toward the rear in the closing operation direction of the door panel. The guide groove 29 is constituted by a groove formed in the lower surface of each of the door panels 3a and 3b and a groove formed in the lower surface of the corresponding guide groove extension members 33a and 33b so as to be continuous with the groove. . That is, most of the guide grooves 29 are constituted by grooves on the lower surface of the door panels 3a and 3b, and a part of the guide groove 29 is formed on the grooves on the lower surface of the guide groove extension members 33a and 33b. It is composed by. In other words, the guide groove 29 is formed such that the grooves on the lower surface of the door panels 3a and 3b extend by the grooves on the lower surface of the guide groove extension members 33a and 33b. The size of the guide groove extension members 33a and 33b may be such that the groove extension range in which the guide member 27 is accommodated can be at least added even when the door panels 3a and 3b are fully closed.

The guide member 27 is accommodated in the corresponding guide groove 29, respectively, and when the door panels 3a and 3b are opened and closed, the relative relationship between the guide member 27 and the guide groove 29, The state in which the guide member 27 moves along the guide groove 29 occurs.

As can be seen from FIG. 2, the guide members 27 respectively open the guide grooves 29 on the upper surface of the threshold 5 from the time when the corresponding door panels 3a and 3b are fully closed to the time of deployment. It is provided in the position covered by the provided part (door panel or guide groove extension member in this embodiment). In addition, the guide member 27 is provided in the upper surface of the threshold 5, respectively, on the outer side of the hatch 7, ie, the part outside the passenger's passage. In other words, the guide member 27 is provided in the door pocket area | region 35 shown by the hatching area | region in FIG. 2, respectively, and is arrange | positioned especially at the edge part of the hatchway side in the door pocket area | region 35. In FIG. In addition, in order to realize the arrangement of the guide member 27, the guide groove extension members 33a and 33b do not come out of the door pocket area 35 even when the door panels 3a and 3b are fully closed. It is provided so that it may be located in the edge part of the hatch side in the pocket area | region 35. FIG.

With such a configuration, the door panels 3a and 3b are supported and guided by the guide member 27 on the lower side thereof. For this reason, the groove | channel for supporting and guiding the door panels 3a and 3b did not have in the upper surface of the hatch part in the threshold 5.

Next, the meaning that the door panel is supported at its lower end will be described. For example, in a conventional door apparatus, a groove is provided in the upper surface of the threshold, and a leg portion extending downward from the lower surface of the door panel is inserted into the groove and is in contact with the inner surface of the groove. The function of this contact means the guidance of the lower end of the door panel regarding the horizontal movement of the door panel, the suppression of the inclination of the door panel with respect to the passenger lift direction, and the door when an impact is applied in the passenger lift direction when fully closed. There are three ways to prevent the panel from falling out.

In opening and closing of the door panel, the force acting on the door panel is made clear in theory, thereby making the structure necessary for realizing the above-described function. When the driving force is generated in the motor 25 and the door panels 3a and 3b are opened and closed, the main force balance applied to one door panel is the X-axis direction, Y-axis direction, and Z-axis direction shown in FIG. The angles of rotation θ on the XY plane and the directions of rotation ω on the ZY plane can be described separately.

That is, it shows by the following equation of motion (1)-(5) in order of each direction.

However, each symbol of i = x, y, z is as follows.

i: i-axis position of the door panel center (G)

θ: z-axis rotation angle of the door panel center (G) rotation

ω: x-axis rotation angle of the door panel center (G) rotation

M ： Gross weight of one door panel including hanger roller or hanger

Jiy: i-axis inertia in the rotation of the center (G) of the door panel

Fm: Belt transmission drive force generated by drive of door motor

Fui: Friction force in the i-axis direction due to the contact between the door panel and the guide mechanism

Fhi: i-axial frictional force due to contact between the hanger roller 5 and the rail 4

di: i-axis distance between the hanger roller (5) and the center of the door panel (G)

L1: Vertical distance between the connecting portion 9 and the rail 4

L2: Vertical distance between the rail 4 and the door panel center G

L3: Vertical distance between the guide mechanism 12 and the center of the door panel G

K ： Equivalent rotary spring rigidity of hanger roller

g ： gravity acceleration

In opening and closing of the door panel 3a, the belt transmission force Fm generated by the driving force of the motor 25 acts only in the X axis direction of Expression (1) and the rotation angle θ direction of Expression (4). The dynamic force which arises at the time of normal opening and closing is only the said belt transmission force Fm, except the static force which does not change with time passes. Therefore, the acceleration in each axial direction does not change, that is,

. In other words, in the Y-axis direction, the door panel weight is being supported at the contact portion between the hanger roller 15 and the rail 13 in the Y-axis direction, and the force Fhz acting on the contact portion described above in the Z-axis direction. And a state where the force Fuz acting on the lower end of the door panel 3a is stopped by balancing. Further, from equation (5), when there is a deviation of the distance dz in the z-axis direction between the hanger roller 15 and the door panel center G in the rotation angle ω direction, the total weight of the door panel and the distance dz It is good to be able to apply drag Fuz in the Z-axis direction at the lower end of the door panel as a force to resist the moment generated by the.

Simply install at least one guide member 27 on the lower end of one door panel, it is possible to generate the force Fuz in the z-axis direction described above. In addition, when the door panel is adjusted and mounted so that the distance dz described above becomes zero, that is, when the positions of the hanger roller 15 and the center of the door panel G coincide with each other, the force Fuz in the Z-axis direction acting on the lower end described above. Becomes unnecessary.

Moreover, in the X-axis direction and the rotation angle (theta) direction, although the frictional force of the X-axis direction by the guide member 27 acts, even if a plurality of guide members 27 are provided, in Formula (1) (4) Friction is the same as changing the magnitude of the Fux term. That is, the influence by having the guide member 27 as one is replaced by the problem of the magnitude of simple friction.

Based on the knowledge obtained from the equation of motion acting upon opening / closing the door described above, the present embodiment is viewed from the viewpoint of a structure that satisfies the three functions described above without providing a concave groove in the upper surface of the threshold as before. The configuration of the will be described further.

Guide of opening / closing movement of the door panels 3a and 3b is performed by the hanger roller 15 following the rail 13 at the upper end side of the door panels 3a and 3b, and at the lower end side, the guide member 27 is guided to the door panel. This is done by contacting the guide grooves 29 of 3a and 3b. Here, when the distance in the passenger lift direction between the contact portion (supporting the total weight of the door panel) of the rail 13 and the hanger roller 15 and the center G of the door panels 3a and 3b is large, the door panel Forces inclined with respect to the passenger lift direction are applied to 3a and 3b. In other words, if the distance can be adjusted to zero, the door panels 3a and 3b can be opened and closed without inclining in the passenger lift direction, provided that only the guidance on the upper end side is provided without the guidance on the lower end side. Therefore, the hanger roller 15 may be adjusted to the rail 13 so that the above distance becomes zero, and the prevention of inclination of the door panels 3a and 3b in the passenger lift direction can be realized.

The up-thrust roller 17 is a contact point shift | offset | difference of the hanger roller 15 and the rail 13 which generate | occur | produce due to external force being given to the lifting direction or opening / closing direction of a passenger normally at the time of opening and closing or full closing. That is, the door 13 is provided under the rail 13 so that the door panel does not come off. However, if the up thrust roller 17 and the rail 13 are always in contact with each other, the running resistance loss at the time of opening and closing the door panel increases, so that it is adjusted so as not to be pressed against the rail 13 at the time of normal opening and closing. desirable. As a mechanical countermeasure to prevent the door from falling off, if a plate (not shown) is fixed to the hanger 9 in such a manner as to cover the top or the bottom of the rail 13, the plate and the rail may be inclined when a certain amount of inclination of the door panel occurs. The contact can be prevented from coming off. Such a plate can be provided in the part which avoided the hanger roller 15 in the hanger 9, and what is necessary is just to provide so that it may not contact a rail normally.

The threshold 5 is characterized in that it does not have a recessed groove for supporting the door panel so that foreign matters such as garbage and dust do not occur in the area where the passenger passes. The passenger lifting area in the threshold 5 is most preferably a flat shape from the viewpoint of the prevention of foreign matter mixing and the improvement of trafficability, but the effect of preventing the mixing of foreign matters is secured even if it is a convex shape. In the case of the convex shape, however, it is preferable that the height of the convex portion is made very low so as not to trip over when the passenger passes, and the smooth surface is formed so that the height of the threshold and the floor surface does not change rapidly.

The door panels 3a and 3b are suspended on the rails 13 so that the contact portions of the rails 13 and the hanger rollers 15 and the door panel center G coincide with respect to the passenger lift direction, as shown in FIG. As such, the state in which the guide member 27 is not in contact with the guide groove 29 may be obtained normally. On the other hand, when a force in the passenger lift direction is applied to the door panels 3a and 3b, the guide groove 29 and the guide member 27 abut against each other, and thus the horizontal direction with respect to the door panels 3a and 3b. It is possible to suppress the excessive inclination of the door panels 3a and 3b in the passenger lift direction while ensuring the function of guiding the vehicle. Further, the present invention also includes an embodiment in which the guide grooves 29 and the guide members 27 are suspended so as to suspend the door panels 3a and 3b from the beginning.

It is preferable that the guide member 27 is at least the upper end made of resin or a brush. As an example, in this embodiment, the guide member 27 is provided in the upper end of the metal part 27a and the metal part 27a attached to the upper surface of the threshold 5, and defines the guide groove 29. It is provided with a resin portion 27b such as rubber that can be in contact with the side surface. Moreover, by providing one or more guide members 27 with respect to one door panel, the guide function of the opening-closing direction of the door panels 3a and 3b can be implement | achieved.

The door apparatus 1 of an elevator is further equipped with the panel support apparatus. This will be described based on FIG. 5. 5 is a diagram showing the configuration and operation of two types of panel support devices 135 and 235 as an example.

First, when the outline is described, the panel support devices 135 and 235 support one or more door panels when fully closed with respect to the force in the passenger lift direction, and when one or more door panels are fully closed, By connecting to the facing body (connecting a pair of door panels with each other), the rigidity with respect to the impact exerted in the lifting direction of a passenger can be improved. The panel support devices 135 and 235 include support members 137 and 237 positioned at the support position when fully closed. In the support position, the support members 137 and 237 are overlapped in the passenger lift direction with respect to both the front lower part in the closing operation direction of the door panel and the facing body facing the lower part of the front end. have. In addition, the panel support devices 135 and 235 include drive mechanisms 139 and 239 for driving the support members 137 and 237 between the support position and the non-support position. The drive mechanisms 139 and 239 include at least one pair of magnets provided separately to the door panel and its facing body, and the support members 137 and 237 are driven by the magnetic force of these magnets.

Specifically, the suction type panel support device 135 on the left side of the page in FIG. 5 will be described. The panel support device 135 includes a support member 137 and a drive mechanism 139. The drive mechanism 139 includes at least a pair of bipolar magnets 141 and 143 and a spring 145. The magnet 141, which is one of the N magnetic pole and the S magnetic pole, is fixed to the lower end of the front end in the closing operation direction in one door panel 3a. The magnet 143, which is the other of the N magnetic pole and the S magnetic pole, is movably mounted through the spring 145 at the front end of the closing direction of the door panel 3b, which is a face of the door panel 3a. have. The support member 137 is provided with a pair of upper and lower sides, and these pair of support members 137 are attached to the upper and lower parts of the magnet 143. The spring 145 is provided between the pair of support members 137 and presses the magnet 143 and the pair of support members 137 in a direction away from one door panel 3a.

In such a configuration, when the door panels 3a and 3b are other than fully closed, the support member 137 is in the non-support position, that is, the door panel (viewed from the passenger lift direction in response to the elastic force by the spring 145). It does not protrude from 3b). On the other hand, when the door panels 3a and 3b are fully closed, the magnet 143 resists the spring 145 to attract the magnet 141 by the magnetic force generated between the magnets 141 and 143. Getting closer to Thereby, the support member 137 moves toward the door panel 3a, ie, takes a support position. In the support position, the support member 137 overlaps with respect to both the door panels 3a and 3b in the passenger lift direction, and more specifically, the support member 137 is a cross section of the door panel 3b. Is inserted into the door panel 3a on the opposite side through the through hole provided in As a result, the door panels 3a and 3b are connected by the support member 137, whereby the rigidity against the impact force in the passenger lift direction is improved.

Moreover, as another form, the repulsive panel support apparatus 235 of the right side of the paper of FIG. 5 is demonstrated. The panel support device 235 includes a support member 237 and a drive mechanism 239. The drive mechanism 239 includes at least a pair of polar magnets 241 and 243. The magnet 241, which is one of the N magnetic pole and the S magnetic pole, is fixed to the lower end of the front end in the closing operation direction in one door panel 3a. The magnet 241 and the magnet 243 having the same polarity are movably mounted in the front lower portion of the closing operation direction of the door panel 3b, which is a face to the door panel 3a. The magnet 243 is fixed to the lower end of the support member 237 attached to the door panel 3b so as to be rotatable.

In such a configuration, when the door panels 3a and 3b are not closed, the support member 237 is in the non-support position, i.e., due to the weight of the magnet 243, the support member 237 is in the vertical direction as viewed from the passenger lift direction. Extends to the door panel 3 and does not protrude from the door panel 3b. On the other hand, when the door panels 3a and 3b are fully closed, the lower ends of the magnets 243 and the support member 237 are caused by the magnetic forces generated between the magnets 241 and 243. It moves in the direction away from (3a). In addition, movement of the lower end of the support member 237 means rotation of the support member 237, and an upper end of the support member 237 is provided through a through hole provided in an end surface of the door panel 3b. It is inserted into the door panel 3a on the opposite side, that is, the support member 237 takes a support position. As a result, the door panels 3a and 3b are connected by the support member 237, whereby the rigidity against the impact force in the passenger lift direction is improved.

In addition, when the door panels 3a and 3b start the opening operation from the fully closed state, the repulsive force between the magnets 241 and 243 is reduced, and the support member 237 is subjected to the action of the magnetic weight of the magnet 243, and thus the original operation is performed. Turn to the non-support position of and return. At this time, it is preferable to provide the stopper 247 in place of the door panel 3b in order to stop the movement by the weight of the magnet 243 and to reduce the impact at the time of stopping. The stopper 247 can be comprised with an elastic member, such as a shock absorber and a spring.

According to the door apparatus of the elevator which concerns on the above this embodiment, the following effects can be acquired. The guide groove for guiding the door panel is provided on the lower surface of the door panel, not on the threshold, and is open in the downward direction in the direction of gravity. Therefore, it is difficult to accumulate garbage in the groove by the action of self-weight, and the door travel resistance The increase can be suppressed. In addition, since it is the guide member which protruded to the upper surface of the threshold because it engages with a guide groove, it is not necessary to insert the member which guides a door panel through the clearance gap between a threshold and an elevator car. Therefore, according to this embodiment, the problem regarding the running resistance of a door can be avoided, without widening the clearance gap between a threshold and a lifting car.

In addition, the guide member is provided at a position covered by the portion having the guide groove from the time when the door panel is fully closed to the development time on the upper surface of the threshold, so that the opening in the downward direction can be suppressed as described above. Even when the groove is adopted, the door can be guided while more reliably avoiding the passenger from tripping over. In addition, in this embodiment, in addition to the mixing of foreign matter in natural phenomena, the possibility of being pushed into the groove by a relatively large foreign matter such as a small stone by the passage of a passenger, in this embodiment, a threshold opening in the opposite direction to the gravity direction. By excluding the groove on the upper surface, the phenomenon itself of mixing of foreign matter on the threshold can be eliminated. Moreover, since the guide member is provided in the part of the outer side of a hatch on the upper surface of a threshold, it can also take large a hatch.

Further, the door panel has a guide groove extending member on the rear end face of the door panel in the closing operation direction, and the guide groove extending member protrudes rearward in the closing operation direction on the rear end face thereof. Since the lower surface is provided with a groove constituting a part of the guide groove, it is easy to utilize the existing door panel when securing the guide groove extending in order to have the required length, while also suppressing the weight increase of the door panel. The effect can be obtained.

In addition, since at least the upper end of the guide member is made of a resin or a brush, it can have two effects simultaneously, namely, the effect of promoting the removal of garbage and the noise reduction effect at the time of opening and closing the door panel. That is, even if foreign matter enters the guide groove, the garbage collides with the guide member and the garbage can be pushed out, so that the discharge action out of the groove by gravity can also be obtained. In addition, when the guide member moves relative to the guide groove in accordance with the opening and closing of the door panel, when the guide member sweeps the garbage as described above, the guide member may of course be produced by contact between the guide member and the garbage. The noise generated by the direct contact with the inner surface of the guide groove can also be reduced.

In addition, in this embodiment, since the panel support apparatus is provided, the area | region which a passenger passes at the time of getting on and off for the purpose of suppressing the increase of the door running resistance by the accumulation of garbage, and more reliably avoiding tripping of a passenger is prevented. In addition, it is possible to obtain support in the passenger lift direction in the lower part of the front end of the door panel away from the guide member while adopting the configuration for providing the guide member. Therefore, it is possible to obtain both effects of increasing reduction in running resistance and avoiding tripping, and also to maintain high intensity in the passenger lift direction with respect to the door panel when fully closed. In addition, since the support member of the panel support device is driven by the magnetic force of the magnet, it is possible to automatically show the support state in the passenger lift direction with respect to the door panel when fully closed by utilizing the opening / closing operation of the door panel.

Further, if the contact portions of the plurality of hanger rollers and rails and the center of the door panel coincide with each other in the passenger lift direction, in a normal state, a non-contact state between the guide member and the guide groove can be ensured and the vehicle travels when the door panel is opened or closed. The resistance can be made lower.

As mentioned above, although the content of this invention was concretely demonstrated with reference to preferable embodiment, it is clear that a person of ordinary skill can acquire various improvement and improvement forms based on the basic technical idea and teaching of this invention.

For example, in the above-described embodiment, the guide groove is extended by adding the guide groove extension member to the door panel, but the present invention is not limited to this embodiment, and the width of the entire door panel is increased or the door is extended. The panel may be made as long as necessary from the beginning.

Although the form which comprises the drive mechanism of a panel support apparatus by the magnet was illustrated, the magnet is not limited to a permanent magnet, It is also possible to use an electromagnet. Moreover, a drive mechanism is not limited to the form using magnetic force, If it is a means which generate | occur | produces, or pushes away, you may comprise with means other than a magnet.

Although the above-mentioned embodiment illustrates the structure provided with a pair of left and right door panels, the door apparatus of the elevator which concerns on this invention is not limited to this, What is necessary is just a form by which one or more door panels open and close a hatch. . Therefore, the facing body with respect to a door panel means the other door panel with respect to one door panel in the structure provided with a pair of left and right door panels, and in the structure in which a hatch is opened and closed by one door panel, It may also refer to a floating column or wall that defines one side of the hatch. In addition, the shape of one door panel may be a normal door panel having a constant panel area, or may be a telescopic door panel in which the panel area is changed during the opening and closing process.

1: Door device of elevator 3 a, 3 b: Door panel
5: threshold 7: hatch
13: rail 15: hanger roller
27: guide member 29: guide groove
31a, 31b: rear end face 33a, 33b: guide groove extension member
135, 235: panel support device 137, 237: support member
139, 239: drive mechanism 141, 143: magnet
241, 243: magnet

Claims (8)

An elevator door device, which is provided slidably and includes at least one door panel that opens and closes a doorway to a car compartment, and is provided below the door panel and extends in a sliding direction of the door panel. ,
The lower surface of the door panel is formed with a guide groove extending in the slide direction,
At least one guide member protrudes upward in the upper surface of the threshold,
The guide member is inserted into the corresponding guide groove, and when the door panel slides relatively, the guide member moves in accordance with the corresponding guide groove relatively. The method according to claim 1,
The guide member is provided on the upper surface of the threshold, the door device of the elevator is provided in a position that is covered with a portion with the guide groove from the time when the door panel is fully closed to the time of deployment. The method according to claim 1 or 2,
The said guide member is an elevator door apparatus provided in the part of the outer side of the said hatch on the upper surface of the said threshold. The method according to any one of claims 1 to 3,
The door panel has a guide groove extending member on a rear end surface of the door panel in a closing operation direction.
The guide groove extending member protrudes rearward in the closing operation direction on the rear end face,
The lower door of the guide groove extending member, the door device of the elevator is provided with a groove constituting a part of the guide groove. The method according to any one of claims 1 to 4,
At least the upper end of the guide member, the elevator door apparatus is composed of a resin or a brush. The method according to any one of claims 2 to 5,
It further comprises a panel support device for supporting the door panel when fully closed against the force in the passenger lift direction,
The panel support device includes a support member positioned at a support position when fully closed,
The elevator door apparatus in the support position, wherein the support member overlaps with both the front lower portion in the closing operation direction of the door panel and the facing body facing the front lower portion in the passenger lift direction. The method of claim 6,
The panel support device includes a drive mechanism for driving the support member between the support position and the non-support position,
The drive mechanism includes at least a pair of magnets provided separately to the door panel and the facing body,
The support member is an elevator door apparatus driven by the magnetic force of the magnet. The method according to any one of claims 1 to 7,
The hanger roller which hangs and supports this door panel is provided in the upper part of the said door panel,
The plurality of hanger rollers are guided by rails extending in the slide direction of the door panel,
An elevator door apparatus, wherein the contact portions of the plurality of hanger rollers and the rail and the center of the door panel coincide with respect to the passenger lift direction.

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